Search for FCNC in top quark production and decays
Reza Goldouzian (for the CDF, D0, ATLAS, CMS collaborations)
TL;DR
This paper reviews searches for flavor-changing neutral currents in top quark production and decays across multiple experiments, setting upper limits due to no observed signals, and summarizes the current experimental constraints.
Contribution
It provides a comprehensive overview of experimental searches for top quark FCNC interactions and reports the latest upper limits on relevant parameters.
Findings
No evidence of FCNC signals in top quark processes
Upper limits set on cross sections and branching ratios
Constraints improve understanding of top quark interactions
Abstract
An overview of searches for top quark flavour changing neutral currents (FCNC) from the CDF, D0, ATLAS and CMS collaborations is presented. The FCNC interactions of top quarks are probed through the anomalous decays and production channels. No clear evidence for the presence of the signal is observed in none of the searches and the upper limits are set at 95% confidence level (CL) on the cross sections, anomalous couplings and the branching ratios.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions